Re: [PATCH -rt] ide: fix interrupts processing issue withpreempt-able hardirqs

[Anton Vorontsov]

On Tue, Jun 24, 2008 at 03:40:37AM +0400, Anton Vorontsov wrote:
> IDE interrupt handler relies on the fact that, if necessary, hardirqs
> will re-trigger on ISR exit. With fully preemtable IRQs this seems to be
> not true, since if hardirq thread is currently running, and the same IRQ
> raised again, then this IRQ will be simply lost.

Btw, I don't actually understand why interrupt "simply lost", IMO it
should not.. :-/ But this what I'm observing via bunch of printks in
the code flow. Maybe there is not so obvious race, which I can't see.

So, help needed. Either it is a proper fix, or it is a workaround for
another bug somewhere else.

-- 
Anton Vorontsov
email: cbouatmailru@xxxxxxxxx
irc://irc.freenode.net/bd2
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